249937780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{28597}}^1$

素因数の和:28648

約数の個数: 48

約数和(自身を含む): 576535680

約数和(自身を除く): 326597900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 28597, 57194, 114388, 142985, 285970, 543343, 571940, 657731, 1086686, 1315462, 2173372, 2630924, 2716715, 3288655, 5433430, 6577310, 10866860, 12496889, 13154620, 24993778, 49987556, 62484445, 124968890, 249937780]

約数ペア:

[(1, 249937780), (2, 124968890), (4, 62484445), (5, 49987556), (10, 24993778), (19, 13154620), (20, 12496889), (23, 10866860), (38, 6577310), (46, 5433430), (76, 3288655), (92, 2716715), (95, 2630924), (115, 2173372), (190, 1315462), (230, 1086686), (380, 657731), (437, 571940), (460, 543343), (874, 285970), (1748, 142985), (2185, 114388), (4370, 57194), (8740, 28597)]